25516326 has 16 divisors (see below), whose sum is σ = 55672128. Its totient is φ = 7732200.

The previous prime is 25516313. The next prime is 25516327. The reversal of 25516326 is 62361552.

It is a junction number, because it is equal to n+sod(n) for n = 25516293 and 25516302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25516327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193240 + ... + 193371.

It is an arithmetic number, because the mean of its divisors is an integer number (3479508).

Almost surely, 2^25516326 is an apocalyptic number.

25516326 is an abundant number, since it is smaller than the sum of its proper divisors (30155802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25516326 is a wasteful number, since it uses less digits than its factorization.

25516326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386627.

The product of its digits is 10800, while the sum is 30.

The square root of 25516326 is about 5051.3687254050. The cubic root of 25516326 is about 294.4010676922.

Adding to 25516326 its reverse (62361552), we get a palindrome (87877878).

The spelling of 25516326 in words is "twenty-five million, five hundred sixteen thousand, three hundred twenty-six".